CN206822887U - A kind of displacement liquid compounding system of feed flow bag and its composition - Google Patents

A kind of displacement liquid compounding system of feed flow bag and its composition Download PDF

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Publication number
CN206822887U
CN206822887U CN201621441607.4U CN201621441607U CN206822887U CN 206822887 U CN206822887 U CN 206822887U CN 201621441607 U CN201621441607 U CN 201621441607U CN 206822887 U CN206822887 U CN 206822887U
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China
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bag
liquid
bag body
entrance
feed flow
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CN201621441607.4U
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Chinese (zh)
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尹良红
云琛
云大信
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Guangzhou En Deshi Medical Article Industrial Co Ltd
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Guangzhou En Deshi Medical Article Industrial Co Ltd
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Abstract

The utility model discloses a kind of feed flow bag, including the bag body being fabricated from a flexible material, the liquid mouth that bag body is flowed in and out for liquid is provided with the bag body, and the gas port of bag body is flowed in and out for air;The liquid is intraoral to be fitted with liquid pipe, and the liquid pipe is tightly connected with bag body;The tail end of the liquid pipe extend into the inner bottom part of bag body, and according to bag body volume and required solution concentration size, the bag is equipped with the concentrate or dry powder of respective amount in vivo;The bag vacuumizes in vivo, when that need to prepare solution, injects reverse osmosis water in vivo to bag by the liquid pipe.A kind of displacement liquid compounding system, including described feed flow bag, and blood circuit, blood filter, displacement liquid loop, dialyzate supply switching circuit and waste liquid discharge loop are also provided.The utility model have automatically adjust, control accuracy is high, the beneficial effect that use range is wide, easy to use, cost is low and reliable and stable.

Description

A kind of displacement liquid compounding system of feed flow bag and its composition
Technical field
Blood purification technology field is the utility model is related to, the displacement liquid for referring in particular to a kind of feed flow bag and its composition is prepared System.
Background technology
Blood cleaning equipment is to pass through blood in a kind of allow, in the hollowfibre semi-permeable membrance that small-molecule substance passes through Center portion point, allows the isotonic liquid (such as dialyzate, displacement liquid, peritoneal dialysis liquid, equilibrium liquid) of preparation, passes through the outer of hollow-fibre membrane Side, in the presence of the osmotic pressure and transmembrane pressure by the principles such as Mass, convection current and ultrafiltration remove large quantity of moisture in patient body and in, Small molecule toxins, internal water, electrolyte and alkali acid balance are maintained, to reach the therapeutic system of blood purification.Current blood is net Change equipment and be divided into hemodialysis apparatus (being divided into haemodialysis control unit and hemodialysis filter again) and continuation blood cleaning equipment (CRRT machines).
The isotonic liquid of currently used blood cleaning equipment is prepared and had the disadvantage that:1) isotonic liquid need to pass through computer System is controlled the rotation of A liquid pumps, B liquid pumps and reverse osmosis water liquid pump in the ratio rotating speed of fixation, be can be only achieved and is accurately matched somebody with somebody liquid.If three Very big skew, serious shadow occur for the rotating speed of individual liquid pump slightly little deviation or asynchronous, the strength of fluid that will cause to prepare Ring the effect for the treatment of, or even the life security of patient.And because this preparation can only take fixed flow velocity to be matched, nothing Method accomplishes the speed and flow of linear regulation preparation;2) electronic equilibrium must be claimed when doing Hemofiltration for Treatment and by all displacements The liquid gone out is contained at one side of title, and clean displacement liquid bag hangs over the another side of title, to balance disengaging liquid measure, palpus during blood filter Liquid bag is changed in shutdown, influences treatment time, and the necessary manual operation of this process, operation is loaded down with trivial details and easily causes operational error;3) it is necessary Using two electronic scales, a title displacement liquid weight, another claims the weight for displacing waste liquid, and computer passes through gravity and pressure Force snesor balance electronic scale, therefore two electronic scales must be imitated periodically just, otherwise influence therapeutic effect;4) device structure is multiple Miscellaneous, parts are more, are easily out of order, and maintenance and detection difficult, reliability and stability are poor.
Utility model content
The purpose of this utility model is solve the shortcomings that above-mentioned, there is provided one kind automatically adjusts, control accuracy is high, using model Enclose that wide, easy to use, cost is low and reliable and stable feed flow bag and its displacement liquid compounding system of composition.
The purpose of this utility model can be reached using following technical scheme:
The displacement liquid compounding system of a kind of feed flow bag and its composition, including the bag body being fabricated from a flexible material, the bag body On be provided with the liquid mouth that bag body is flowed in and out for liquid, and the gas port of bag body is flowed in and out for air;The liquid mouth Liquid pipe is inside fitted with, and the liquid pipe is tightly connected with bag body;The tail end of the liquid pipe extend into the inner bottom part of bag body, according to bag Body volume and required solution concentration size, the bag are equipped with the concentrate or dry powder of respective amount in vivo;The bag vacuumizes in vivo, When solution need to be prepared, reverse osmosis water is injected by the liquid pipe in vivo to bag.
Further, the gas port is provided with tracheae, and the tracheae is tightly connected with the gas port.
As a kind of preferable scheme, the liquid pipe and tracheae are linked into an integrated entity by contiguous block.
As a kind of preferable scheme, the outer cover of the bag body, which is provided with, is used for the framework that bag body produces stretcher strain.
As a kind of preferable scheme, groove is provided with the inwall of the framework, bag body is entered by liquid pipe in reverse osmosis water When interior, the outer surface of the bag body is in contact with the inner surface of framework and by the air extrusion between bag body and framework to described recessed In groove.
As a kind of preferable scheme, through hole is provided with the wall of the framework, it is internal into bag by liquid pipe in reverse osmosis water When, the outer surface of the bag body is in contact with the inner surface of framework and squeezes the air between bag body and framework by the through hole It is pressed onto outside framework.
A kind of displacement liquid compounding system using feed flow bag, including described feed flow bag, and blood circuit, blood filter, Displacement liquid loop, dialyzate supply switching circuit and waste liquid discharge loop, the feed flow bag and the entrance in the displacement liquid loop Connection;The first entrance of the blood filter supplies the outlet of switching circuit and the artery of human body by blood circuit and dialyzate Connection, the first outlet of the blood filter connected with the entrance are connected by blood circuit with the vein of human body;The blood filter Second entrance supplies the outlet in switching circuit and displacement liquid loop by dialyzate, and the of the blood filter connected with the entrance Two outlets supply switching circuit by dialyzate and waste liquid is discharged loop and discharged;The dialyzate supply switching circuit includes At least two-way supply loop, each road supply loop is alternately connected or closed with the second entrance of blood filter, and each road supply loop Alternating is connected or closed with the second outlet of blood filter, is formed and is switched structure without interruption;
Further, the feed flow bag is set to three, and fills reverse osmosis water in the feed flow bag and be configured to three kinds of solution; The displacement liquid loop includes the first liquid pump, the second liquid pump, the 3rd liquid pump, blender and net filter, first liquid pump, second The entrance of liquid pump and the 3rd liquid pump connects with the liquid pipe on three feed flow bags respectively;First liquid pump, the second liquid pump and the 3rd The outlet of liquid pump connects with the entrance of the blender and mixes three kinds of solution;The outlet of the blender by net filter with The entrance connection of the dialyzate supply switching circuit.
Further, the dialyzate supply switching circuit includes the first electronic scale and the second electronic scale, first electricity Being weighed on sub- scale and the second electronic scale has displacement liquid reservoir bag and waste liquid reservoir bag, and the entrance of the displacement liquid reservoir bag passes through electricity The outlet of magnet valve and the blender, the outlet of the displacement liquid reservoir bag pass through the first of magnetic valve and the blood filter Entrance connects with second entrance, forms two tunnels input supply switching construction;The entrance of the waste liquid reservoir bag by magnetic valve with The second outlet connection of the blood filter, the outlet of the waste liquid reservoir bag are in communication with the outside by magnetic valve, and it is defeated to form two roads Go out to supply switching construction.
Further, the blood circuit includes first pressure monitor, liquid pump, anti-coagulants injection device, second pressure Monitor, the second blender, leve monitor and bubble choked flow folder, the artery of human body pass through first pressure monitor, liquid pump, anti- Solidifying agent injection device, blender connect with the first entrance of blood filter, and the first outlet of the blood filter connected with the entrance passes through Second pressure monitor, leve monitor and bubble choked flow folder connect with the vein of human body.
Further, waste liquid discharge loop includes liquid pump and waste fluid bag, and the of the entrance of liquid pump and the blood filter Two outlets, the outlet of liquid pump connect with waste fluid bag.
Implement the utility model, have the advantages that:
1st, bag body volume of the present utility model is designed as quantitative, and the weight of respective type concentrate or dry powder is then according to institute The concentration of solution is needed to be calculated, and it is internal to be previously positioned at bag.Stored and transported by way of vacuumizing.Work as needs During the solution of respective type, only need to inwardly be filled by liquid pipe reverse osmosis water can rapid preparing go out satisfactory solution concentration, Then flowed out again by liquid pipe and carry out feed flow, it is simple, convenient and accurate to prepare, be not in preparation strength of fluid occur it is very big Skew, have a strong impact on the effect for the treatment of, or even the problem of the life security of patient, have control accuracy is high, use range is wide, Easy to use, the characteristics of cost is low and reliable and stable.
2nd, when injecting reverse osmosis water in vivo to bag, under the restriction effect of framework, bag body can only be expanded into the outer wall of bag body The volume contacted with the inwall of framework, now, the volume of bag body and the volume of framework are equal in magnitude, ensure that bag body will not be because of quilt Stretch and produce volume and exceed the situation for requiring size, and then ensure that the concentration of the proportioning solution of bag body meets required requirement. Volume size inside framework determines according to the concentration of the design of the volume of bag body and solution to be designed.If bag body Volume exceedes the size of setting, then the concentration for the solution that can cause to make is crossed less than desired value, and when the small volume of bag body In the size of setting, then the concentration for the solution that can to make exceedes desired value.
3rd, partial air of the utility model during bag body expansion between bag body and framework is extruded in groove Stored so that the outer surface of bag body can be in contact with the inwall of framework, so as to ensure the volume size of bag body and setting Desired value is equal.Solve partial air during bag body expansion between bag body and framework can not from the upper end of framework to It is outer outflow and be mothballed between bag body and framework, so as to cause bag body to be expanded into volume and framework internal volume size phase Deng and produce the problem of solution concentration that bag prepares in vivo is higher.
4th, the utility model is before three feed flow bags are connected with the entrance in the displacement liquid loop, first toward filling in bag body Reverse osmosis water and three kinds of solution for making respective concentration, three kinds of solution mix in loop is replaced and are configured to dialyzate and supply Switching circuit is supplied to dialyzate.Because the solution ratio of feed flow bag is simple, convenient and accurate, a large amount of symbols can be rapidly matched out Conjunction requires that the feed flow bag of concentration replaces the feed flow bag having been used up at any time, considerably reduces the time for changing bag, improves work Efficiency.
5th, after the solution of three feed flow bags is configured to dialyzate in displacement liquid loop, dialyzate is carried out the utility model Wherein supply loop and it is stored in all the way in displacement liquid reservoir bag.When the solution of feed flow bag is finished after, it will quickly can match New supply bag installs the supply that to carry out continuing to supply, can prevent solution and situation about interrupting occurs, and improves what is treated Effect.After the dialyzate in the displacement liquid reservoir bag of the road supply loop is finished, control device controls corresponding magnetic valve Working condition makes displacement liquid loop be connected with another way supply loop and makes the displacement liquid of dialyzate inflow another way supply loop Reservoir bag, whole process change liquid without shutting down, guarantee dialyzate without interruption so that fluid flow and pressure stability, work Reliable and stable, the blood pressure stabilization of patient, dramatically reduces headache, Nausea and vomiting, extremely effective improves treatment during treatment Effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is sectional view of the feed flow bag of the present utility model along central axial direction;
Fig. 2 is the sectional view of the framework of the feed flow bag of the utility model embodiment 1;
Fig. 3 is the sectional view of the framework of the feed flow bag of the utility model embodiment 2;
Fig. 4 is the structural representation of the displacement liquid compounding system of the utility model application feed flow bag.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
Reference picture 1, the present embodiment is related to feed flow bag and its displacement liquid compounding system of composition, including is fabricated from a flexible material Bag body 1, be provided with the liquid mouth that bag body 1 is flowed in and out for liquid on the bag body 1, and bag is flowed in and out for air The gas port of body 1;The liquid is intraoral to be fitted with liquid pipe 2, and the liquid pipe 2 is tightly connected with bag body 1;The tail end of the liquid pipe 2 is stretched Enter the inner bottom part to bag body 1, according to the volume of bag body 1 and required solution concentration size, concentration of the bag body 1 built with respective amount Liquid or dry powder;Vacuumized in the bag body 1, when solution need to be prepared, reverse osmosis water is injected into bag body 1 by the liquid pipe 2.Should The bag body 1 of structure loads the concentrate or dry powder of required type and weight, by the way of being vacuumized in transport using inside, both may be used Prevent concentrate or dry powder and air contact and go bad, can also reduce the volume of bag body 1 and conveniently be folded transport.
The volume of bag body 1 of the structure is designed as quantifying, and the weight of respective type concentrate or dry powder is then molten needed for The concentration of liquid is calculated, and is previously positioned in bag body 1.Stored and transported by way of vacuumizing.When needing phase When answering the solution of type, only need to inwardly be filled by liquid pipe 2 reverse osmosis water can rapid preparing go out satisfactory solution concentration, so Flowed out again by liquid pipe 2 afterwards and carry out feed flow, it is simple, convenient and accurate to prepare, be not in preparation strength of fluid occur it is very big Skew, have a strong impact on the effect for the treatment of, or even the problem of the life security of patient, have control accuracy is high, use range is wide, Easy to use, the characteristics of cost is low and reliable and stable.
The gas port is provided with tracheae 3, and the tracheae 3 is tightly connected with the gas port.When vacuumizing, pass through the tracheae 3 extract the air in bag body 1 out, and are configured to required solution and by 2 outside feed flow of liquid pipe injecting reverse osmosis water into bag body 1 Afterwards, extraneous air is entered in bag body 1 by tracheae 3, ensures that feed flow can be carried out normally.
The liquid pipe 2 and tracheae 3 are linked into an integrated entity by contiguous block 4.Liquid pipe 2 and tracheae 3 are fixed on one by contiguous block 4 Rise, prevent liquid pipe 2 and tracheae 3 from producing swing, improve the stable connection between liquid pipe 2, tracheae 3 and bag body 1.
The outer cover of the bag body 1, which is provided with, is used for the framework 5 that bag body 1 produces stretcher strain.When injecting reverse osmosis into bag body 1 During water, under the restriction effect of framework 5, bag body 1 can only be expanded into the volume that the outer wall of bag body 1 contacts with the inwall of framework 5, this When, the volume of the volume and framework 5 of bag body 1 is equal in magnitude, ensure that bag body 1 will not be produced because being stretched volume exceed require The situation of size, and then ensure that the concentration of the proportioning solution of bag body 1 meets required requirement.The big rootlet of volume inside framework 5 Determined according to the volume design of bag body 1 and the concentration of solution to be designed.If the volume of bag body 1 exceedes the big of setting Small, then the concentration for the solution that can cause to make is crossed less than desired value, and the volume for working as bag body 1 is less than the size of setting, then The concentration for the solution that can to make exceedes desired value.
As shown in Fig. 2 in order to prevent that during bag body 1 expands partial air between bag body 1 and framework 5 can not be from The upper end of framework 5 flows outwardly and is mothballed between bag body 1 and framework 5, so as to cause bag body 1 to be expanded into volume and frame The internal volume of body 5 is equal in magnitude and produces the higher situation of the solution concentration prepared in bag body 1.Opened on the inwall of the framework 5 Fluted 51, when reverse osmosis water is entered in bag body 1 by liquid pipe 2, the outer surface of the bag body 1 connects with the inner surface of framework 5 Touch and by the air extrusion between bag body 1 and framework 5 to the groove 51.Bag body 1 and framework during bag body 1 expands Partial air between 5 is extruded in groove 51 and stored so that the outer surface of bag body 1 can connect with the inwall of framework 5 Touch, so as to ensure that the volume size of bag body 1 is equal with the desired value set.
The present embodiment also provides a kind of displacement liquid compounding system using feed flow bag, as shown in Figure 1 and Figure 4, including it is described Feed flow bag 6, and blood circuit 7, blood filter 8, displacement liquid loop 9, dialyzate supply switching circuit and waste liquid discharge loop 11, the feed flow bag 6 connects with the entrance in the displacement liquid loop 9;The first entrance of the blood filter 8 passes through blood circuit 7 The artery of outlet and human body with dialyzate supply switching circuit connects, the first outlet of the blood filter 8 connected with the entrance Connected by blood circuit 7 with the vein of human body;The second entrance of the blood filter 8 supplies switching circuit with putting by dialyzate The outlet in liquid loop 9 is changed, the second outlet of the blood filter 8 connected with the entrance is supplied switching circuit by dialyzate and given up Liquid discharge loop 11 discharges;The dialyzate supply switching circuit includes at least two-way supply loop, each road supply loop Alternating connect or closes with the second entrance of blood filter 8, and each road supply loop replace connected with the second outlet of blood filter 8 or Close, formed and switch structure without interruption.
The feed flow bag 6 is set to three, and fills reverse osmosis water in the feed flow bag 6 and be configured to three kinds of solution;It is described to put Changing liquid loop 9 includes the first liquid pump 91, the second liquid pump 92, the 3rd liquid pump 93, blender 94 and net filter 95, first liquid pump 91st, the entrance of the second liquid pump 92 and the 3rd liquid pump 93 connects with the liquid pipe 2 on three feed flow bags 6 respectively;First liquid pump 91, The outlet of second liquid pump 92 and the 3rd liquid pump 93 connects with the entrance of the blender 94 and mixes three kinds of solution;The mixing The entrance that switching circuit is supplied in the outlet of device 94 by net filter 95 with the dialyzate connects.
Before three feed flow bags 6 are connected with the entrance in the displacement liquid loop 9, first toward filling reverse osmosis water in bag body 1 and Three kinds of solution of respective concentration are made, three kinds of solution mix in loop is replaced and are configured to dialyzate and are supplied to dialyzate Supply switching circuit.Because the solution ratio of feed flow bag 6 is simple, convenient and accurate, it can rapidly match out and largely meet the requirements The feed flow bag 6 of concentration replaces the feed flow bag 6 having been used up at any time, considerably reduces the time for changing bag, improves the efficiency of work.
The dialyzate supply switching circuit includes the first electronic scale 101 and the second electronic scale 102, first electronic scale 101 and second weigh on electronic scale 102 and have displacement liquid reservoir bag 103 and waste liquid reservoir bag 104, the displacement liquid reservoir bag 103 Entrance gone out by magnetic valve 105, the outlet of net filter 95 and the blender 94, the displacement liquid reservoir bag 103 Mouth is connected by magnetic valve with the first entrance and second entrance of the blood filter 8, forms two tunnels input supply switching construction;Institute The entrance for stating waste liquid reservoir bag 104 is connected by magnetic valve 105 with the second outlet of the blood filter 8, the waste liquid reservoir bag 104 outlet is in communication with the outside by magnetic valve 105, forms two tunnels output supply switching construction.In the solution of three feed flow bags 6 After being configured to dialyzate in displacement liquid loop 9, dialyzate carries out wherein supply loop and being stored in displacement liquid reservoir bag all the way In 103.After the solution of feed flow bag 6 is finished, the new supply bag matched can quickly be installed to carry out continuing to supply, can prevented There is situation about interrupting in the supply for solution only occur, and improves the effect treated.When the displacement liquid reservoir bag of the road supply loop After dialyzate in 103 is finished, control device control the working condition of corresponding magnetic valve 105 make displacement liquid loop 9 with it is another The displacement liquid reservoir bag 103 that road supply loop connects and makes dialyzate flow into another way supply loop, whole process is without shutting down Liquid is changed, guarantees dialyzate without interruption so that fluid flow and pressure stability, stable and reliable in work, the blood of patient during treatment Pressure is stable, dramatically reduces headache, Nausea and vomiting, extremely effective improves the effect for the treatment of.
The blood circuit 7 includes first pressure monitor 71, liquid pump 72, anti-coagulants injection device 73, second pressure prison Device 74, the second blender 75, leve monitor 76 and bubble choked flow folder 77 are surveyed, the artery of human body passes through first pressure monitor 71st, liquid pump 72, anti-coagulants injection device 73, blender connect with the first entrance of blood filter 8, the blood filter connected with the entrance 8 first outlet is connected by second pressure monitor 74, leve monitor 76 and bubble choked flow folder 77 with the vein of human body.
The artery of patient is injected with the first pressure monitor 71, liquid pump 72, anti-coagulants successively by arterial puncture needle The blender 75 of device 73 and second connects with the first entrance of blood filter 8;After blood flows into arterial puncture needle, injected through anti-coagulants After device 73 injects anti-coagulants, inputted by liquid pump 72 into the second blender 75.Blood and dialyzate in the second blender 75 Blood filter 8 is conveyed into by the first entrance of blood filter 8 after mixing.Wherein the dialyzate containing toxin is filtered out, clean blood Liquid exports from the first outlet of blood filter 8, by passing sequentially through second pressure monitor 74, leve monitor 76 and bubble choked flow Folder 77 is connected with the vein of human body and flowed in the vein of human body, so as to defeated time in patient body.
Waste liquid discharge loop 11 includes liquid pump 72 and waste fluid bag 111, and the of the entrance of liquid pump 72 and the blood filter 8 Two outlets, the outlet of liquid pump 72 connect with waste fluid bag.Pumped out by the way that liquid pump 72 is adjustable to the waste liquid of waste fluid bag 111 Flow speed scope is 0-2000ml/ hours, and the flow speed for the waste liquid that the ultrafiltration goes out is adjustable at any time, is easy to Clinical practice, is surpassed The waste liquid filtered out is fitted into how much the amount of liquid that in graduated waste fluid bag 111, ultrafiltration goes out can be known in real time, the liquid measure that ultrafiltration goes out It should be the dehydrating amount of patient.
Embodiment 2
The present embodiment is on the basis of embodiment 1, as the improvement to framework 5, as shown in figures 1 and 3, in order to prevent Partial air during bag body 1 expands between bag body 1 and framework 5 can not be flowed outwardly and sealed from the upper end of framework 5 It is stored between bag body 1 and framework 5, it is equal in magnitude and produce so as to cause bag body 1 to be expanded into volume and the internal volume of framework 5 The higher situation of the solution concentration of preparation in bag body 1.Through hole 52 is provided with the wall of the framework 5, is entered in reverse osmosis water by liquid pipe 2 When entering in bag body 1, the outer surface of the bag body 1 is in contact with the inner surface of framework 5 and by the air between bag body 1 and framework 5 It is expressed to by the through hole 52 outside framework 5.Partial air quilt during bag body 1 expands between bag body 1 and framework 5 Extrude and discharged by through hole 52 in framework 5 so that the outer surface of bag body 1 can be in contact with the inwall of framework 5, so as to ensure bag The volume size of body 1 is equal with the desired value set.And then ensure that the concentration of the proportioning solution of bag body 1 meets required requirement.
Above disclosed is only a kind of the utility model preferred embodiment, can not limit this practicality with this certainly New interest field, therefore the equivalent variations made according to the utility model claims, still belong to what the utility model was covered Scope.

Claims (10)

  1. A kind of 1. feed flow bag, it is characterised in that:Including the bag body being fabricated from a flexible material, it is provided with the bag body for liquid flow Enter and flow out the liquid mouth of bag body, and the gas port of bag body is flowed in and out for air;The liquid is intraoral to be fitted with liquid pipe, and institute Liquid pipe is stated to be tightly connected with bag body;The tail end of the liquid pipe extend into the inner bottom part of bag body, according to bag body volume and required solution Concentration, the bag are equipped with the concentrate or dry powder of respective amount in vivo;The bag vacuumizes in vivo, when solution need to be prepared, Reverse osmosis water is injected by the liquid pipe in vivo to bag.
  2. A kind of 2. feed flow bag according to claim 1, it is characterised in that:The gas port is provided with tracheae, the tracheae with The gas port is tightly connected.
  3. A kind of 3. feed flow bag according to claim 2, it is characterised in that:The liquid pipe and tracheae are connected into by contiguous block One.
  4. A kind of 4. feed flow bag according to claim 1, it is characterised in that:The outer cover of the bag body, which is provided with, is used for the production of bag body The framework of raw stretcher strain.
  5. A kind of 5. feed flow bag according to claim 4, it is characterised in that:Groove is provided with the inwall of the framework, anti- Infiltration by liquid pipe enter bag it is internal when, the outer surface of the bag body be in contact with the inner surface of framework and by bag body and framework it Between air extrusion in the groove.
  6. A kind of 6. feed flow bag according to claim 4, it is characterised in that:Through hole is provided with the wall of the framework, in reverse osmosis Water by liquid pipe enter bag it is internal when, the outer surface of the bag body be in contact with the inner surface of framework and by between bag body and framework Air be expressed to by the through hole outside framework.
  7. A kind of 7. displacement liquid compounding system using feed flow bag, it is characterised in that:It is any described including the claims 1~6 Feed flow bag, and blood circuit, blood filter, displacement liquid loop, dialyzate supply switching circuit and waste liquid discharge loop, it is described Feed flow bag connects with the entrance in the displacement liquid loop;The first entrance of the blood filter is supplied by blood circuit and dialyzate The connection of the artery of the outlet of switching circuit and human body, the first outlet of blood filter connect with the entrance by blood circuit and The vein connection of human body;The second entrance of the blood filter supplies switching circuit by dialyzate and the outlet in displacement liquid loop connects Logical, the second outlet of the blood filter connected with the entrance supplies switching circuit by dialyzate and waste liquid is discharged loop and outwards arranged Go out;The dialyzate supply switching circuit includes at least two-way supply loop, each road supply loop alternating and the second of blood filter Entrance is connected or closed, and each road supply loop is alternately connected or closed with the second outlet of blood filter, is formed and is switched continuous supply Answer structure;
    The feed flow bag is set to three, and fills reverse osmosis water in the feed flow bag and be configured to three kinds of solution;The displacement liquid returns Road includes the first liquid pump, the second liquid pump, the 3rd liquid pump, blender and net filter, first liquid pump, the second liquid pump and the 3rd liquid The entrance of pump connects with the liquid pipe on three feed flow bags respectively;The outlet of first liquid pump, the second liquid pump and the 3rd liquid pump with The entrance of the blender connects and mixes three kinds of solution;The outlet of the blender is supplied by net filter and the dialyzate The entrance of switching circuit is answered to connect.
  8. A kind of 8. displacement liquid compounding system using feed flow bag according to claim 7, it is characterised in that:The dialyzate Supply switching circuit includes the first electronic scale and the second electronic scale, and being weighed on first electronic scale and the second electronic scale has displacement Liquid reservoir bag and waste liquid reservoir bag, the entrance of the displacement liquid reservoir bag by magnetic valve and the outlet of the blender, The outlet of the displacement liquid reservoir bag is connected by magnetic valve with the first entrance and second entrance of the blood filter, forms two tunnels Input supply switching construction;The entrance of the waste liquid reservoir bag is connected by magnetic valve with the second outlet of the blood filter, institute The outlet for stating waste liquid reservoir bag is in communication with the outside by magnetic valve, forms two tunnels output supply switching construction.
  9. A kind of 9. displacement liquid compounding system using feed flow bag according to claim 7, it is characterised in that:The blood returns Road includes first pressure monitor, liquid pump, anti-coagulants injection device, second pressure monitor, the second blender, leve monitor Pressed from both sides with bubble choked flow, the artery of human body passes through first pressure monitor, liquid pump, anti-coagulants injection device, blender and blood filter First entrance connection, the first outlet of the blood filter connected with the entrance by second pressure monitor, leve monitor and Bubble choked flow folder connects with the vein of human body.
  10. A kind of 10. displacement liquid compounding system using feed flow bag according to claim 7, it is characterised in that:The waste liquid Discharge loop includes liquid pump and waste fluid bag, and the entrance of liquid pump connects with the second outlet of the blood filter, and the outlet of liquid pump is with giving up Liquid bag connects.
CN201621441607.4U 2016-12-26 2016-12-26 A kind of displacement liquid compounding system of feed flow bag and its composition Withdrawn - After Issue CN206822887U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106730085A (en) * 2016-12-26 2017-05-31 广州市恩德氏医疗制品实业有限公司 A kind of feed flow bag and its displacement liquid compounding system for constituting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106730085A (en) * 2016-12-26 2017-05-31 广州市恩德氏医疗制品实业有限公司 A kind of feed flow bag and its displacement liquid compounding system for constituting
CN106730085B (en) * 2016-12-26 2024-04-05 广州市恩德氏医疗制品实业有限公司 Liquid supply bag and replacement liquid preparation system comprising same

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